Levine, M., & Perkins, D. V. (1997). Principles of community psychology: Perspectives and applications (2nd ed.). Oxford University Press.
Chicago Style (17. basım) AtıfLevine, Murray, ve David V. Perkins. Principles of Community Psychology: Perspectives and Applications. 2nd ed. New York: Oxford University Press, 1997.
MLA (9th ed.) AtıfLevine, Murray, ve David V. Perkins. Principles of Community Psychology: Perspectives and Applications. 2nd ed. Oxford University Press, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..